Home / 52,124,189.13-71,931,389.88-28,919,260.71

Finding the Fourth Proportional to 52,124,189.13, 71,931,389.88 and 28,919,260.71

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Solution

The fourth proportional to 52,124,189.13, 71,931,389.88 and 28,919,260.71 is: 39,908,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,124,189.13 : 71,931,389.88 = 28,919,260.71 : x
  2. Step 2: Convert to fraction form
    52,124,189.13/71,931,389.88 = 28,919,260.71/x
  3. Step 3: Cross multiply
    52,124,189.13x = 71,931,389.88 × 28,919,260.71
  4. Step 4: Simplify right side
    52,124,189.13x = 2,080,202,617,172,375.50
  5. Step 5: Solve for x
    x = 2,080,202,617,172,375.50/52,124,189.13
  6. Step 6: Final answer
    x = 39,908,584.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.